Description:Material: This flat head rivet nut is made from aluminum alloy which is durable, durable and can be used for a protracted time.Replacement: The threaded rivnuts can be utilized as a spare section to switch the previous or broken accessory.Application: The nutserts set have extensive usage which is acceptable for many varieties of metalworking repairing needs.Easy to install: This rivet nut package is small in length and lightweight in order that could be put in smoothly with tools.Fit occasions: The rivnuts can be used in many occasions reminiscent of family repair and professional worker.Specification:Material: Aluminum alloy.Note:There is probably about a coloration distortions thanks to assorted laptop resolutions.There is probably a slight error thanks to various hand measurements.Package Includes:55 Pieces M3 Nuts.40 Pieces for M4 Nuts.30 Pieces M5 Nuts.20 Pieces M6 Nuts.10 Pieces M8 Nuts.10 Pieces M10 Nuts.1 Piece Storage Box.